After prolonged use and weathering they deteriorate and can release asbestos fibres in small quantities.
Asbestos free corrugated roofing sheets.
Corrugated asbestos sheets were used in the roofing and siding of all types of buildings especially in factories and farms.
Adding asbestos to the cement made the corrugated roofing sheets more heat resistant weatherproof and durable.
Contemporary roofing product manufacturers make reinforced fiber cement roofing shingles and other roofing products which look like perform similarly to and need to be installed similarly to the original corrugated asbestos cement sheet roofing but these new products are free of asbestos.
Asbestos flatsheet because fibrous cement is much more water resistant than drywall flat sheets of asbestos cement found their way into the interiors of homes and businesses as walls and underlayment for flooring.
The naturally occurring mineral was used in different types of building products including roofing sheets.
The asbestos roofing sheets shall be secured to the purlins and other roof members by means of 8 mm diameter galvanized iron j or l hook bolts and nuts.
Fixing of corrugated asbestos cement roofing sheets.
Corrugated roofing sheets made of asbestos is common in uk homes constructed prior to 2000.